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Date:      Sat, 11 Dec 2021 23:20:33 +0700
From:      Eugene Grosbein <eugen@grosbein.net>
To:        Gleb Popov <arrowd@freebsd.org>, "Daniel O'Connor" <darius@dons.net.au>
Cc:        freebsd-hackers <freebsd-hackers@freebsd.org>
Subject:   Re: What to use in place of abstract unix sockets?
Message-ID:  <f6cc691e-c709-8c9c-1325-aee14f09ebc1@grosbein.net>
In-Reply-To: <CALH631nVvp2Ra4RYzEpPkQ-bi_sgqiQ5_XxrP35mTx=8R7dODg@mail.gmail.com>
References:  <CALH631kYAz%2B_=p6VUhxzx0tz8eox804PCK5A9POxQkZTdThZCQ@mail.gmail.com> <F0BE714E-E25B-4A49-AA6E-B0E906374446@dons.net.au> <CALH631m8P_NG3nTZ1JQ2hhZMTrAMuuGjS8Ahz_qDMu1bFDCzkw@mail.gmail.com> <58874E76-8541-46BF-A197-C984D6A869DF@dons.net.au> <CALH631nVvp2Ra4RYzEpPkQ-bi_sgqiQ5_XxrP35mTx=8R7dODg@mail.gmail.com>

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11.12.2021 16:59, Gleb Popov wrote:

> EXDEV: Cross-device link
> 
> This might be because the chroot's target directory is an nullfs mount. Am
> I right that it isn't possible to create hard links that span nullfs mount
> points?

It is not possible to create hard links for source and destination directories
with different st_dev values as per stat(2), this includes nullfs,
each of which has its own st_dev id.




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